class Case(ICase):
    note=''
    xrcfile=''
    ctors={}
    widgets=('','')
    def __init__(self):
        ICase.__init__(self)
    
    #init OpenGL if want
    def InitGL(self):
        pass

    #main render function
    def Render(self):
        glClearColor(1, 0, 1, 1)
        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
